Update dependency webpack-bundle-analyzer to v4 (master)

[appcues-wss]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
webpack-bundle-analyzer	^3.9.0 -> ^4.0.0

By merging this PR, the below vulnerabilities will be automatically resolved:

Severity	CVSS Score	CVE
Critical	9.8	CVE-2022-29078
Critical	9.8	WS-2021-0153
Medium	5.3	CVE-2021-32640

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Release Notes

webpack-contrib/webpack-bundle-analyzer (webpack-bundle-analyzer)

v4.0.0

Compare Source

• Breaking change

  • Dropped support for Node.js 6 and 8. Minimal required version now is v10.13.0

• Improvement

  • Support for Webpack 5

• Bug Fix

  • Prevent crashes when openAnalyzer was set to true in environments where there's no program to handle opening. (#​382 by @​wbobeirne)

• Internal

  • Updated dependencies
  • Added support for multiple Webpack versions in tests

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